/* Modern Dark Theme - Login Page */

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: rgba(255,255,255,0.03);
  --text-primary: #e8eaf0;
  --text-muted: rgba(255,255,255,0.35);
  --text-secondary: rgba(255,255,255,0.7);
  --border-color: rgba(255,255,255,0.07);
  --border-light: rgba(255,255,255,0.1);
  
  --color-red: #ff5f72;
  --color-blue: #0096ff;
  --gradient-primary: linear-gradient(135deg, #00d4aa, #0096ff);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Sarabun', 'Segoe UI', sans-serif;
  min-height: 100vh;
  background: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

/* ============ LOGIN BOX ============ */
.login-box {
  width: 100%;
  max-width: 420px;
  padding: 36px 40px;
  border-radius: 14px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  background: rgba(10, 14, 26, 0.8);
  backdrop-filter: blur(10px);
  animation: floatIn 0.8s ease-out;
}

@keyframes floatIn {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ============ LOGO ============ */
.login-image {
  text-align: center;
  margin-bottom: 20px;
}

.login-image img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  opacity: 0.95;
  transition: opacity 0.3s;
}

.login-image img:hover {
  opacity: 1;
}

/* ============ HEADER ============ */
.login-box h2 {
  margin: 0 0 12px 0;
  text-align: center;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 20px;
  font-family: 'Space Grotesk', sans-serif;
}

.login-box p {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  margin: 0 0 28px 0;
}

/* ============ FORM ELEMENTS ============ */
label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

input[type="text"],
input[type="password"],
input[type="email"] {
  width: 100%;
  padding: 11px 13px;
  margin-bottom: 16px;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  font-family: 'Sarabun', sans-serif;
  font-size: 14px;
  transition: all 0.2s;
}

input[type="text"]::placeholder,
input[type="password"]::placeholder,
input[type="email"]::placeholder {
  color: rgba(255, 255, 255, 0.25);
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus {
  outline: none;
  border-color: rgba(0, 212, 170, 0.4);
  background: rgba(0, 212, 170, 0.05);
  box-shadow: 0 0 0 2px rgba(0, 212, 170, 0.1);
}

/* ============ BUTTONS ============ */
button {
  width: 100%;
  padding: 11px 16px;
  margin-top: 8px;
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  font-family: 'Sarabun', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
}

button:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

button:active {
  transform: scale(0.97);
}

/* ============ ERROR MESSAGE ============ */
.error {
  background: rgba(255, 95, 114, 0.12);
  color: #ff9aa8;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255, 95, 114, 0.3);
  text-align: center;
  font-size: 13px;
  margin-bottom: 16px;
}

/* ============ FOOTER ============ */
.login-footer {
  margin-top: 24px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

.login-footer a {
  color: #00d4aa;
  text-decoration: none;
  transition: color 0.2s;
}

.login-footer a:hover {
  color: #00e8c4;
}

/* ============ PASSWORD TOOLS ============ */
.password-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  margin: -8px 0 12px 0;
}

.show-password {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  transition: color 0.2s;
}

.show-password:hover {
  color: var(--text-primary);
}

.show-password input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: #00d4aa;
}

/* ============ BUTTON LOADING ============ */
#loginBtn {
  position: relative;
}

#loginBtn .btn-loading {
  display: none;
}

#loginBtn.loading .btn-text {
  display: none;
}

#loginBtn.loading .btn-loading {
  display: inline;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 640px) {
  .login-box {
    padding: 28px 24px;
    border-radius: 12px;
  }

  .login-box h2 {
    font-size: 18px;
  }

  input[type="text"],
  input[type="password"],
  input[type="email"] {
    padding: 10px 12px;
    font-size: 16px;
  }

  button {
    padding: 10px 14px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  body {
    padding: 12px;
  }

  .login-box {
    padding: 24px 20px;
  }
}